MATH III
QUIZ tomorrow on: 1. The material on the matrix quiz from last week 2. Finding the determinant of a 2x2 and 3x3 by hand 3. Finding the inverse of a 2x2 by hand 4. Finding the area of a triangle using the determinant.
HW (due Thursday)- p. 51 #13 Set up using Cramer's rule and solve with calculator
p. 57 #9, 11 13-15, 17 ( on the last 4, set up the matrix equation and solve with
graphing calculator)